diff --git a/internal/mvcc/watchable_store.go b/internal/mvcc/watchable_store.go
index 34d4d32656bc..054be1034cb4 100644
--- a/internal/mvcc/watchable_store.go
+++ b/internal/mvcc/watchable_store.go
@@ -192,7 +192,7 @@ func (s *watchableStore) Restore(b backend.Backend) error {
 	}
 
 	for wa := range s.synced.watchers {
-		s.unsynced.watchers.add(wa)
+		s.unsynced.add(wa)
 	}
 	s.synced = newWatcherGroup()
 	return nil